Louisiana Shrimp Creole

Ingredients
1 or more sticks butter or margarine
8 tbsp. flour
1 c. chopped parsley
1 doz. green onions, chopped
1 green pepper, chopped
8-9 cloves garlic, chopped
4 lb. or more shrimp
1/2 stalk celery, chopped
2 med. onions, chopped
6 c. water
3 cans tomato paste
1 tsp. sugar
2 tbsp. salt
Preparation:
Cook butter and flour until browned; add vegetables. Saute 10-15 minutes. Add water and remaining ingredients except vinegar and shrimp. Simmer 30 minutes. Add vinegar and simmer 1 hour and 30 minutes. Add shrimp and bring to a boil and simmer 20 minutes. Serve over hot rice. (I add more shrimp than is called for.)